Donk Da Donk Donk

Taken from one of the events at this years WSOP. The real players names are hidden to discourage favoritism towards names. Thoughts?

Player A opened with a raise to 1,850 from the button, then player B reraised to 2,900 from the small blind. The big blind folded, and Player A quickly reraised to 10,050 total. Player B took little time raising again, this time to 20,050. Player A then without hesitation shoved all in for what appeared about 20,000 more -- the chips scattered and were difficult to count -- and Player B, who had Player A covered, snap-called. Player B showed . Player A it turned out, had . The board came , and Player A is out. Player B is up to 90,000.